webrtc/talk/p2p/client/socketmonitor.cc
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

115 lines
3.6 KiB
C++

/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/p2p/client/socketmonitor.h"
#include "talk/base/common.h"
namespace cricket {
enum {
MSG_MONITOR_POLL,
MSG_MONITOR_START,
MSG_MONITOR_STOP,
MSG_MONITOR_SIGNAL
};
SocketMonitor::SocketMonitor(TransportChannel* channel,
talk_base::Thread* worker_thread,
talk_base::Thread* monitor_thread) {
channel_ = channel;
channel_thread_ = worker_thread;
monitoring_thread_ = monitor_thread;
monitoring_ = false;
}
SocketMonitor::~SocketMonitor() {
channel_thread_->Clear(this);
monitoring_thread_->Clear(this);
}
void SocketMonitor::Start(int milliseconds) {
rate_ = milliseconds;
if (rate_ < 250)
rate_ = 250;
channel_thread_->Post(this, MSG_MONITOR_START);
}
void SocketMonitor::Stop() {
channel_thread_->Post(this, MSG_MONITOR_STOP);
}
void SocketMonitor::OnMessage(talk_base::Message *message) {
talk_base::CritScope cs(&crit_);
switch (message->message_id) {
case MSG_MONITOR_START:
ASSERT(talk_base::Thread::Current() == channel_thread_);
if (!monitoring_) {
monitoring_ = true;
PollSocket(true);
}
break;
case MSG_MONITOR_STOP:
ASSERT(talk_base::Thread::Current() == channel_thread_);
if (monitoring_) {
monitoring_ = false;
channel_thread_->Clear(this);
}
break;
case MSG_MONITOR_POLL:
ASSERT(talk_base::Thread::Current() == channel_thread_);
PollSocket(true);
break;
case MSG_MONITOR_SIGNAL: {
ASSERT(talk_base::Thread::Current() == monitoring_thread_);
std::vector<ConnectionInfo> infos = connection_infos_;
crit_.Leave();
SignalUpdate(this, infos);
crit_.Enter();
break;
}
}
}
void SocketMonitor::PollSocket(bool poll) {
ASSERT(talk_base::Thread::Current() == channel_thread_);
talk_base::CritScope cs(&crit_);
// Gather connection infos
channel_->GetStats(&connection_infos_);
// Signal the monitoring thread, start another poll timer
monitoring_thread_->Post(this, MSG_MONITOR_SIGNAL);
if (poll)
channel_thread_->PostDelayed(rate_, this, MSG_MONITOR_POLL);
}
} // namespace cricket